Metering device



Sept. 12, 1933. w Q N, JR 1,926,138

METERING DEVICE Original Filed July 20. 1929 //VVE/V7'0/? W/lA/BSS: 7* fij f v am in /H4973 f.

quantities of the granular materialiwill be dis-' .5 charged during each operation, the discharge being proportional to the contents of the space within the spring and between the cover and valve at the time whe'n flovv therinto from :the;con-' tainer is out on. r

' forming: a part of the same spring, inasmuch as their integral connection is brought out,

or It will be clear that, whilelthe inventionhas been disclosed as applied to acap for a con tainer, the invention is, equally applicable in the construction of a dischargespout fora bin or fthelikef K Y1 Patent isz" r 1'. A met'er'ingdevice for agcont'ainer provided Yvvith aiiopening, including cover means consisting of a cover mounted on the container and a spiral'spring surrounding the openingland se'ated ,onithe cover, the .convoljutions of the 'spring being {normally'close together, whereby theopeningj is closed and valve-meansconnected with the cover means for movement therewithand arranged. to foim't'vith the covermeans a measuring'chamber,

isaid jco'verand valve means joeing so arranged that whenlthe cover means closes the opening,

themeasurin'g chamber communicates 'with'the container, andwhen the cover means ispositioned to permit discharge from the openingby spread;

ing of the convolutions of the spring upon;mo,ve-'

' ment'o'f the cover communication betweenthe measuring chamber and container-is cut off and discharge from the measuring chamber effected.

Almetering deviceior a container provided with; an opening, 'including'oover means consist-" 1 11 -:or-a cover mounted on'the container 'an-da spring surrounding the opening 'an'd seated 'ohthe eover',;the 'convolutions ofthe spring being normallyclos'e togetherwherebv the openingis 1 closed, and valve means connected with the cover means for movement therewithrandarranged to form with the covermans ;a[ measuring chami tu 4 hensaid coverandvalve means being so, arranged that when th'ercover means closes the ropening,

' themeasurmg cham r; communicates-with the container, and when'the cover means is positionedfto permit discharge from theopening by T spreading of the convolutions of the spring upon in vernent. of the cover the communi ation bet While portions 8'and 10 havebeen ShOWn'aS a whenthe cover means is positionedto permit disthis. type of construction is very simplaitfwill be. obvious that the two portions may heseparate springs. Accordingly, these two portions are de fined; as separate springs inthe claims, unlessof the spring and' discharge from the measuring chamber" effected.

serving :to close the opening, and: valve means, comprising'avalvemember and a spiral spring l V Y surroundingthe opening 'andgseated on the valve 'WhatI'elaim and desire to protect by'Letters;

uringchamben-said cover andvalve meansbeing 1 so "arranged; that when the c'overmeans closes the opening, themeasuring chamber communi--.- cates'with the container by reasonof the spacing n the measuring-chamber and container isv I cutoff and discharge irom the measuring 0mm, a oer, efie'cted, said discharge taking place subs'ee.

I duentlv t'opt'he cutting oi? of communication ber V of the ,seconds-prmg sand d-recharge iroml the l i an openingflincluding cover "means; n r-- 7 V mally; servingrto close therepeni-ng-yand valve and arranged, to form withthe cover means a;

measuring chamber, said: cover and valvemeans being 'so 'arrangedthat when the cover means closes the opening, the measuring chamber communicates with' 'the container by reasonfl'of the spacing jof thej convolutio'ns of the spring,"and

charge from the opening the communication be:- tween; the measuring chamber and container is cut off by close arrangement of the convolutions 4; A metering device'for a container provided witn'angopening, including cover means normally member, said valve means being connected with l thejc'overmeans, for movement. therewith and a'rranged to formwith' the cover -means a measofathe 'convolutionsof the-spring, and-when the r cover: means is positioned; to, permit discharge from the opening the communication'between the measuring chamber and container is cut off by. close arrangement of the convolutions of the spring and discharge from-the measuring chamber effected, said discharge .taking' place subsequently to'the cutting off of communication be-' tween the measuring chamber and. container.

5. A' metering device for a'container provided with an opening, including: cover means consist-. 'in of ac'overmounted on the container and a spiral spring surrounding the opening and seated on'the cover,- the convolutions of the spring. beingnormally close together whereby the opening is closed, and valve means, comprising a' valve member and a second spiral spring, integral with the first mentioned spring, surrounding the openr ing and seated on. thevalve member, said valve means being connected withthe cover'means for movement therewith and arranged to form with the "cover means a measuringchamber, said cover and valvekmeans being so arranged that .when the cover means-closes theopening by reason of the close arrangement of the convolutions of the first spring; the measuring chamber communicates with thexcontai'nerbyreason of the spacing of the convolutions of the second spring, and when the cover means is positioned to permit discharge tween thefmeasuring'chamber and container is cu't ofi close arrangement of, the ,convolutions (measuring chamber efiected.

' L f W LLIAM. co L rNs BRINTON, 1210 

